Zhong, Wen
Danielsson, Hanna
Tebani, Abdellah
Karlsson, Max J.
Elfvin, Anders
Hellgren, Gunnel
Brusselaers, Nele
Brodin, Petter
Hellström, Ann
Fagerberg, Linn
Uhlén, Mathias
Article History
Received: 26 January 2020
Revised: 27 March 2020
Accepted: 9 April 2020
First Online: 24 April 2020
Competing interests
: The authors declare no competing interests.
: The trial was approved by the Regional Ethical Board, Gothenburg (Dnr 303-11, T336-18) at the University of Gothenburg. Informed written consent was obtained for all participants from their parents or guardians.